Advarsler, Corona Post Office (historical)

Extreme Heat Warning issued July 12 at 1:44PM CDT until July 14 at 1:00AM CDT by NWS Duluth MN * WHAT...Dangerously hot conditions with heat index values up to 100. * WHERE...In Minnesota, Crow Wing, Aitkin, Pine, Koochiching, Cass, Itasca, Carlton, St. Louis, Cook and Lake Counties. In Wisconsin, Ashland, Bayfield, Burnett, Douglas, Iron, Sawyer, and Washburn Counties. This includes the Tribal Lands of the Bad River Reservation, the Fond du Lac Band, the Grand Portage Reservation, the Lac Courte Oreilles Reservation, the Red Cliff Band, the northwestern area of the Lac du Flambeau Band, the St. Croix Band in Burnett County, the Mille Lacs Band, East Lake, Big Sandy Lake, Hinckley and, Lena Lake areas and the Bois Forte Band, Deer Creek, Lake Vermilion and, Nett Lake areas. Other locations including Voyageurs National Park, Madeline Island and the Apostle Islands National Lakeshore. The entire Boundary Waters is also included. * WHEN...Until 1 AM CDT Tuesday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. * ADDITIONAL DETAILS...Heat index values up to 108 expected in northern Ashland and Bayfield Counties along the South Shore. Little to no relief from the heat is possible Sunday night as continued very warm heat indices in the 70s are forecast Sunday night. Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.

Red Flag Warning issued July 12 at 9:39PM CDT until July 13 at 10:00PM CDT by NWS Duluth MN The National Weather Service in Duluth has issued a Red Flag Warning for wind and low relative humidity, which is in effect from 11 AM to 10 PM CDT Monday. * AFFECTED AREA...In Minnesota, North Itasca, Central St. Louis, Southern Lake, Southern Cook, North Cass, South Itasca and Carlton and South St. Louis. * WINDS...Southwest 10 to 15 mph with gusts up to 25 mph. * RELATIVE HUMIDITY...As low as 25 percent. * IMPACTS...The rapid spread of any fires may occur due to the forecast weather conditions and dry fuels per guidance from local land management agencies. A Red Flag Warning on Monday means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior.